http://www.cnr.it/ontology/cnr/individuo/prodotto/ID272288
Impact of substrate steps and of monolayer-bilayer junctions on the electronic transport in epitaxial graphene on 4H-SiC (0001) (Articolo in rivista)
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- Impact of substrate steps and of monolayer-bilayer junctions on the electronic transport in epitaxial graphene on 4H-SiC (0001) (Articolo in rivista) (literal)
- Anno
- 2013-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.4028/www.scientific.net/MSF.740-742.113 (literal)
- Alternative label
Giannazzo F, Deretzis I, La Magna A, Di Franco S, Piluso N, Fiorenza P, Roccaforte F, Schmid P, Lerch W, Yakimova R (2013)
Impact of substrate steps and of monolayer-bilayer junctions on the electronic transport in epitaxial graphene on 4H-SiC (0001)
in Materials science forum
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Giannazzo F, Deretzis I, La Magna A, Di Franco S, Piluso N, Fiorenza P, Roccaforte F, Schmid P, Lerch W, Yakimova R (literal)
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- IMM-CNR Catania (literal)
- Titolo
- Impact of substrate steps and of monolayer-bilayer junctions on the electronic transport in epitaxial graphene on 4H-SiC (0001) (literal)
- Abstract
- Two dimensional maps of the electronic conductance in epitaxial graphene (EG) grown on SiC were obtained by conductive atomic force microscopy (CAFM). The correlation between morphological and electrical maps revealed the local conductance degradation in EG over the SiC substrate steps or at the junction between monolayer (1L) and bilayer (2L) graphene regions. The effect of steps strongly depends on the charge transfer phenomena between the step sidewall and graphene, whereas the resistance increase at 1L/2L junction is a purely quantum mechanical effect, due to the weak coupling between 1L and 2L electron wavefunctions. (literal)
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